Question

3 : 3.6 = 5 : 6 верно или нет?

Answer 1

3 : 3.6 = (5*0,6) : (6*0,6) = 5 : 6 -- всё верно.

Answer 2

a/b=c/d ⇔ ad=bc

a=3, b=3,6 , c=5, d=6

ad=3.6=18

bc=3,6.5=18

3:3,6=5:6

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ili

3:3,6=30:36=5:6

Answer 3

To check if the proportion 3:3.6 is equivalent to 5:6, we need to compare the ratios. To do this, we can cross-multiply and see if the two products are equal.

For the first ratio 3:3.6: 3 / 3.6 = 0.833333...

For the second ratio 5:6: 5 / 6 = 0.833333...

As we can see, both ratios are approximately equal to 0.833333... (repeating decimals). Therefore, the statement is correct: 3:3.6 is equivalent to 5:6.